/* Software License Agreement
 * 
 *     Copyright(C) 1994-2019 David Lindauer, (LADSoft)
 * 
 *     This file is part of the Orange C Compiler package.
 * 
 *     The Orange C Compiler package is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     The Orange C Compiler package is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with Orange C.  If not, see <http://www.gnu.org/licenses/>.
 * 
 *     As a special exception, if other files instantiate templates or
 *     use macros or inline functions from this file, or you compile
 *     this file and link it with other works to produce a work based
 *     on this file, this file does not by itself cause the resulting
 *     work to be covered by the GNU General Public License. However
 *     the source code for this file must still be made available in
 *     accordance with section (3) of the GNU General Public License.
 *     
 *     This exception does not invalidate any other reasons why a work
 *     based on this file might be covered by the GNU General Public
 *     License.
 * 
 *     contact information:
 *         email: TouchStone222@runbox.com <David Lindauer>
 * 
 */

#include <errno.h>
#include <windows.h>
#include <dos.h>
#include <dir.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>

void _RTL_FUNC 	_searchenv(const char *file, const char *inpath, char *output)
{
    char *path = getenv(inpath),*p=path,*q;
    FILE *t;
    strcpy(output,file);
    t = fopen(output,"rb");
    if (t) {
        fclose(t);
        if (!strchr(output,'\\')) {
            getcwd(output,255);
            strcat(output,"\\");
            strcat(output,file) ;
        }
        return ;
    }
    else while (*p) {
        q = output;
        while (*p != ';' && *p)
            *q++=*p++;
        if (*p) p++;
        if (*(q-1) != '\\')
            *q++ = '\\';
        strcpy(q,file);
        if ((t = fopen(output,"rb")) != 0) {
            fclose(t);
//			q[0] = 0 ;
            return ;
        }
    }
    *output = 0 ;
    return ;
}
